<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb separator='/'>
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图3-->
    <el-card>
      <!--搜索与添加区域-->
      <el-row :gutter='20'>
        <el-col :span='8'>
          <el-input placeholder='请输入内容' clearable @clear='getGoodsList' v-model='queryInfo.query'>
            <el-button slot='append' icon='el-icon-search' @click='getGoodsList'></el-button>
          </el-input>
        </el-col>
        <el-col :span='4'>
          <el-button type='primary' @click='goAddpage'>添加商品</el-button>
        </el-col>
      </el-row>
      <!--table表格区域-->
      <el-table :data='goodslist' border stripe>
        <el-table-column type='index' label='#' align='center'></el-table-column>
        <el-table-column label='商品名称' prop='goods_name'></el-table-column>
        <el-table-column label='商品价格(元)' prop='goods_price' width='95px'></el-table-column>
        <el-table-column label='商品重量' prop='goods_weight' width='70px'></el-table-column>
        <el-table-column label='创建时间' prop='add_time' width='140px'>
          <template slot-scope='scope'>
            {{scope.row.add_time | dataFormat}}
          </template>
        </el-table-column>
        <el-table-column label='操作' width='130px'>
          <template slot-scope='scope'>
            <el-button type='primary' icon='el-icon-edit' size='mini'></el-button>
            <el-button type='danger' icon='el-icon-delete' size='mini' @click='removeById(scope.row.goods_id)'></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!--分页区域-->
      <el-pagination
        @size-change='handleSizeChange'
        @current-change='handleCurrentChange'
        :current-page='queryInfo.pagenum'
        :page-sizes='[5, 10, 15, 20]'
        :page-size='queryInfo.pagesize'
        layout='total, sizes, prev, pager, next, jumper'
        :total='total'>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
      addDialogVisible: false,
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang='less' scoped>

</style>
